# 📐  L2 Spec — Image Deblurring Blind-Kernel Spec (GoPro / REDS benchmark family)

**ID:** `L2-382-001` · **Status:** ⊙ Testnet (genesis catalog)
**Parents:** ⬆ Principle [`L1-382`](/artifact/l1/L1-382)

> **🎯 Tolerance (ε):** expression
> **⚖ Difficulty score:** 0.45 · **Delta tier:** 5
> **⛓ On-chain block:** 41555200

---

## 1. Domain Ω

**Type:** `range`

| Parameter | Unit | Range |
|---|---|---|
| H | px | 128 – 2048 |
| K | — | 5 – 51 |
| W | px | 128 – 2048 |
| Saturation | — | 0.0 – 0.1 |
| Noise level | — | 0.001 – 0.1 |
| Sub pixel shift | — | 0.0 – 2.0 |
| Kernel size error | — | 0.0 – 0.3 |
| Kernel shape error | — | 0.0 – 0.5 |

## 2. Tolerance (ε)

**Type:** `fn`

```
22.0 + 2.0 * log2(H / 128) - 1.5 * kernel_shape_error - 10.0 * noise_level
```

## 3. Difficulty

| Property | Value |
|---|---|
| Difficulty score | 0.45 |
| Delta tier | 5 |

## 4. Fingerprint

`adcd7d42b2dfb332ec836e5650cb6e107a3b5bb0f96a233392a1541864df99a9`

## 5. On-chain Registration

- **Chain hash:** `0xc3f884b9342c713a9e383500508047183ef708c5b130ecd2076382d965099d41`
- **Chain tx hash:** `0x3a09fbc324a39683bf1fc15d8833d286e67780d9443d57b5cc04f4c3f1c01b87`
- **Chain block:** `41555200`

---

## File Mapping

This bundle consists of: `L2-382-001.md`, `L2-382-001.json`.

| File | Role | How to regenerate |
|------|------|-------------------|
| `L2-382-001.md` | Source of truth — edit this | Human or LLM |
| `L2-382-001.json` | Structured metadata for the registry | LLM regenerates from the sections above |

**Prompt for your LLM after editing this Markdown:**

> Read the attached Markdown. Regenerate the sibling `.json` so every field matches.
> Preserve the schema documented in the rows above.
> Output each file in its own fenced code block tagged with the filename.
> Output only the JSON object.

_This Markdown was auto-synthesized from the catalog row for `L2-382-001`._
_Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._